Pentium D 820 vs A10-9620P
Aggregate performance score
A10-9620P outperforms Pentium D 820 by a whopping 416% based on our aggregate benchmark results.
Primary details
Comparing A10-9620P and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 2106 | 3101 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Desktop processor |
| Series | Bristol Ridge | Pentium D |
| Power efficiency | 10.09 | 0.31 |
| Architecture codename | Bristol Ridge (2016−2019) | Smithfield (2005) |
| Release date | 1 January 2017 (7 years ago) | May 2005 (19 years ago) |
Detailed specifications
A10-9620P and Pentium D 820 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 4 (Quad-Core) | 2 (Dual-core) |
| Threads | 4 | 2 |
| Base clock speed | 2.5 GHz | 2.8 GHz |
| Boost clock speed | 3.4 GHz | 2.8 GHz |
| Bus rate | no data | 800 MHz |
| L1 cache | no data | 28 KB |
| L2 cache | 2 MB | 2 MB |
| L3 cache | no data | 0 KB |
| Chip lithography | 28 nm | 90 nm |
| Die size | 250 mm2 | 206 mm2 |
| Maximum core temperature | 90 °C | 64 °C |
| Number of transistors | 3100 Million | 169 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | - |
| VID voltage range | no data | 1.2V-1.4V |
Compatibility
Information on A10-9620P and Pentium D 820 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | no data | 2 |
| Socket | FP4 | PLGA775 |
| Power consumption (TDP) | 15 Watt | 95 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by A10-9620P and Pentium D 820. You'll probably need this information if you require some particular technology.
| Enhanced SpeedStep (EIST) | no data | - |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| PAE | no data | 32 Bit |
| FSB parity | no data | - |
Security technologies
A10-9620P and Pentium D 820 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by A10-9620P and Pentium D 820 are enumerated here.
| VT-d | no data | - |
| VT-x | no data | - |
Memory specs
Types, maximum amount and channel quantity of RAM supported by A10-9620P and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR1, DDR2, DDR3 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon R5 (Bristol Ridge) ( - 758 MHz) | no data |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
Pros & cons summary
| Performance score | 1.60 | 0.31 |
| Physical cores | 4 | 2 |
| Threads | 4 | 2 |
| Chip lithography | 28 nm | 90 nm |
| Power consumption (TDP) | 15 Watt | 95 Watt |
A10-9620P has a 416.1% higher aggregate performance score, 100% more physical cores and 100% more threads, a 221.4% more advanced lithography process, and 533.3% lower power consumption.
The A10-9620P is our recommended choice as it beats the Pentium D 820 in performance tests.
Be aware that A10-9620P is a notebook processor while Pentium D 820 is a desktop one.
Should you still have questions on choice between A10-9620P and Pentium D 820, ask them in Comments section, and we shall answer.
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